1/*******************************************************************************
2 *
3 * Module Name: dbdisply - debug display commands
4 *
5 ******************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2015, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions, and the following disclaimer,
16 *    without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 *    substantially similar to the "NO WARRANTY" disclaimer below
19 *    ("Disclaimer") and any redistribution must be conditioned upon
20 *    including a substantially similar Disclaimer requirement for further
21 *    binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 *    of any contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include "accommon.h"
46#include "amlcode.h"
47#include "acdispat.h"
48#include "acnamesp.h"
49#include "acparser.h"
50#include "acinterp.h"
51#include "acdebug.h"
52
53#define _COMPONENT          ACPI_CA_DEBUGGER
54ACPI_MODULE_NAME("dbdisply")
55
56/* Local prototypes */
57static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op);
58
59static void *acpi_db_get_pointer(void *target);
60
61static acpi_status
62acpi_db_display_non_root_handlers(acpi_handle obj_handle,
63				  u32 nesting_level,
64				  void *context, void **return_value);
65
66/*
67 * System handler information.
68 * Used for Handlers command, in acpi_db_display_handlers.
69 */
70#define ACPI_PREDEFINED_PREFIX          "%25s (%.2X) : "
71#define ACPI_HANDLER_NAME_STRING               "%30s : "
72#define ACPI_HANDLER_PRESENT_STRING                    "%-9s (%p)\n"
73#define ACPI_HANDLER_PRESENT_STRING2                   "%-9s (%p)"
74#define ACPI_HANDLER_NOT_PRESENT_STRING                "%-9s\n"
75
76/* All predefined Address Space IDs */
77
78static acpi_adr_space_type acpi_gbl_space_id_list[] = {
79	ACPI_ADR_SPACE_SYSTEM_MEMORY,
80	ACPI_ADR_SPACE_SYSTEM_IO,
81	ACPI_ADR_SPACE_PCI_CONFIG,
82	ACPI_ADR_SPACE_EC,
83	ACPI_ADR_SPACE_SMBUS,
84	ACPI_ADR_SPACE_CMOS,
85	ACPI_ADR_SPACE_PCI_BAR_TARGET,
86	ACPI_ADR_SPACE_IPMI,
87	ACPI_ADR_SPACE_GPIO,
88	ACPI_ADR_SPACE_GSBUS,
89	ACPI_ADR_SPACE_DATA_TABLE,
90	ACPI_ADR_SPACE_FIXED_HARDWARE
91};
92
93/* Global handler information */
94
95typedef struct acpi_handler_info {
96	void *handler;
97	char *name;
98
99} acpi_handler_info;
100
101static struct acpi_handler_info acpi_gbl_handler_list[] = {
102	{&acpi_gbl_global_notify[0].handler, "System Notifications"},
103	{&acpi_gbl_global_notify[1].handler, "Device Notifications"},
104	{&acpi_gbl_table_handler, "ACPI Table Events"},
105	{&acpi_gbl_exception_handler, "Control Method Exceptions"},
106	{&acpi_gbl_interface_handler, "OSI Invocations"}
107};
108
109/*******************************************************************************
110 *
111 * FUNCTION:    acpi_db_get_pointer
112 *
113 * PARAMETERS:  target          - Pointer to string to be converted
114 *
115 * RETURN:      Converted pointer
116 *
117 * DESCRIPTION: Convert an ascii pointer value to a real value
118 *
119 ******************************************************************************/
120
121static void *acpi_db_get_pointer(void *target)
122{
123	void *obj_ptr;
124	acpi_size address;
125
126	address = strtoul(target, NULL, 16);
127	obj_ptr = ACPI_TO_POINTER(address);
128	return (obj_ptr);
129}
130
131/*******************************************************************************
132 *
133 * FUNCTION:    acpi_db_dump_parser_descriptor
134 *
135 * PARAMETERS:  op              - A parser Op descriptor
136 *
137 * RETURN:      None
138 *
139 * DESCRIPTION: Display a formatted parser object
140 *
141 ******************************************************************************/
142
143static void acpi_db_dump_parser_descriptor(union acpi_parse_object *op)
144{
145	const struct acpi_opcode_info *info;
146
147	info = acpi_ps_get_opcode_info(op->common.aml_opcode);
148
149	acpi_os_printf("Parser Op Descriptor:\n");
150	acpi_os_printf("%20.20s : %4.4X\n", "Opcode", op->common.aml_opcode);
151
152	ACPI_DEBUG_ONLY_MEMBERS(acpi_os_printf("%20.20s : %s\n", "Opcode Name",
153					       info->name));
154
155	acpi_os_printf("%20.20s : %p\n", "Value/ArgList", op->common.value.arg);
156	acpi_os_printf("%20.20s : %p\n", "Parent", op->common.parent);
157	acpi_os_printf("%20.20s : %p\n", "NextOp", op->common.next);
158}
159
160/*******************************************************************************
161 *
162 * FUNCTION:    acpi_db_decode_and_display_object
163 *
164 * PARAMETERS:  target          - String with object to be displayed. Names
165 *                                and hex pointers are supported.
166 *              output_type     - Byte, Word, Dword, or Qword (B|W|D|Q)
167 *
168 * RETURN:      None
169 *
170 * DESCRIPTION: Display a formatted ACPI object
171 *
172 ******************************************************************************/
173
174void acpi_db_decode_and_display_object(char *target, char *output_type)
175{
176	void *obj_ptr;
177	struct acpi_namespace_node *node;
178	union acpi_operand_object *obj_desc;
179	u32 display = DB_BYTE_DISPLAY;
180	char buffer[80];
181	struct acpi_buffer ret_buf;
182	acpi_status status;
183	u32 size;
184
185	if (!target) {
186		return;
187	}
188
189	/* Decode the output type */
190
191	if (output_type) {
192		acpi_ut_strupr(output_type);
193		if (output_type[0] == 'W') {
194			display = DB_WORD_DISPLAY;
195		} else if (output_type[0] == 'D') {
196			display = DB_DWORD_DISPLAY;
197		} else if (output_type[0] == 'Q') {
198			display = DB_QWORD_DISPLAY;
199		}
200	}
201
202	ret_buf.length = sizeof(buffer);
203	ret_buf.pointer = buffer;
204
205	/* Differentiate between a number and a name */
206
207	if ((target[0] >= 0x30) && (target[0] <= 0x39)) {
208		obj_ptr = acpi_db_get_pointer(target);
209		if (!acpi_os_readable(obj_ptr, 16)) {
210			acpi_os_printf
211			    ("Address %p is invalid in this address space\n",
212			     obj_ptr);
213			return;
214		}
215
216		/* Decode the object type */
217
218		switch (ACPI_GET_DESCRIPTOR_TYPE(obj_ptr)) {
219		case ACPI_DESC_TYPE_NAMED:
220
221			/* This is a namespace Node */
222
223			if (!acpi_os_readable
224			    (obj_ptr, sizeof(struct acpi_namespace_node))) {
225				acpi_os_printf
226				    ("Cannot read entire Named object at address %p\n",
227				     obj_ptr);
228				return;
229			}
230
231			node = obj_ptr;
232			goto dump_node;
233
234		case ACPI_DESC_TYPE_OPERAND:
235
236			/* This is a ACPI OPERAND OBJECT */
237
238			if (!acpi_os_readable
239			    (obj_ptr, sizeof(union acpi_operand_object))) {
240				acpi_os_printf
241				    ("Cannot read entire ACPI object at address %p\n",
242				     obj_ptr);
243				return;
244			}
245
246			acpi_ut_debug_dump_buffer(obj_ptr,
247						  sizeof(union
248							 acpi_operand_object),
249						  display, ACPI_UINT32_MAX);
250			acpi_ex_dump_object_descriptor(obj_ptr, 1);
251			break;
252
253		case ACPI_DESC_TYPE_PARSER:
254
255			/* This is a Parser Op object */
256
257			if (!acpi_os_readable
258			    (obj_ptr, sizeof(union acpi_parse_object))) {
259				acpi_os_printf
260				    ("Cannot read entire Parser object at address %p\n",
261				     obj_ptr);
262				return;
263			}
264
265			acpi_ut_debug_dump_buffer(obj_ptr,
266						  sizeof(union
267							 acpi_parse_object),
268						  display, ACPI_UINT32_MAX);
269			acpi_db_dump_parser_descriptor((union acpi_parse_object
270							*)obj_ptr);
271			break;
272
273		default:
274
275			/* Is not a recognizeable object */
276
277			acpi_os_printf
278			    ("Not a known ACPI internal object, descriptor type %2.2X\n",
279			     ACPI_GET_DESCRIPTOR_TYPE(obj_ptr));
280
281			size = 16;
282			if (acpi_os_readable(obj_ptr, 64)) {
283				size = 64;
284			}
285
286			/* Just dump some memory */
287
288			acpi_ut_debug_dump_buffer(obj_ptr, size, display,
289						  ACPI_UINT32_MAX);
290			break;
291		}
292
293		return;
294	}
295
296	/* The parameter is a name string that must be resolved to a Named obj */
297
298	node = acpi_db_local_ns_lookup(target);
299	if (!node) {
300		return;
301	}
302
303dump_node:
304	/* Now dump the NS node */
305
306	status = acpi_get_name(node, ACPI_FULL_PATHNAME_NO_TRAILING, &ret_buf);
307	if (ACPI_FAILURE(status)) {
308		acpi_os_printf("Could not convert name to pathname\n");
309	}
310
311	else {
312		acpi_os_printf("Object (%p) Pathname: %s\n",
313			       node, (char *)ret_buf.pointer);
314	}
315
316	if (!acpi_os_readable(node, sizeof(struct acpi_namespace_node))) {
317		acpi_os_printf("Invalid Named object at address %p\n", node);
318		return;
319	}
320
321	acpi_ut_debug_dump_buffer((void *)node,
322				  sizeof(struct acpi_namespace_node), display,
323				  ACPI_UINT32_MAX);
324	acpi_ex_dump_namespace_node(node, 1);
325
326	obj_desc = acpi_ns_get_attached_object(node);
327	if (obj_desc) {
328		acpi_os_printf("\nAttached Object (%p):\n", obj_desc);
329		if (!acpi_os_readable
330		    (obj_desc, sizeof(union acpi_operand_object))) {
331			acpi_os_printf
332			    ("Invalid internal ACPI Object at address %p\n",
333			     obj_desc);
334			return;
335		}
336
337		acpi_ut_debug_dump_buffer((void *)obj_desc,
338					  sizeof(union acpi_operand_object),
339					  display, ACPI_UINT32_MAX);
340		acpi_ex_dump_object_descriptor(obj_desc, 1);
341	}
342}
343
344/*******************************************************************************
345 *
346 * FUNCTION:    acpi_db_display_method_info
347 *
348 * PARAMETERS:  start_op        - Root of the control method parse tree
349 *
350 * RETURN:      None
351 *
352 * DESCRIPTION: Display information about the current method
353 *
354 ******************************************************************************/
355
356void acpi_db_display_method_info(union acpi_parse_object *start_op)
357{
358	struct acpi_walk_state *walk_state;
359	union acpi_operand_object *obj_desc;
360	struct acpi_namespace_node *node;
361	union acpi_parse_object *root_op;
362	union acpi_parse_object *op;
363	const struct acpi_opcode_info *op_info;
364	u32 num_ops = 0;
365	u32 num_operands = 0;
366	u32 num_operators = 0;
367	u32 num_remaining_ops = 0;
368	u32 num_remaining_operands = 0;
369	u32 num_remaining_operators = 0;
370	u8 count_remaining = FALSE;
371
372	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
373	if (!walk_state) {
374		acpi_os_printf("There is no method currently executing\n");
375		return;
376	}
377
378	obj_desc = walk_state->method_desc;
379	node = walk_state->method_node;
380
381	acpi_os_printf("Currently executing control method is [%4.4s]\n",
382		       acpi_ut_get_node_name(node));
383	acpi_os_printf("%X Arguments, SyncLevel = %X\n",
384		       (u32)obj_desc->method.param_count,
385		       (u32)obj_desc->method.sync_level);
386
387	root_op = start_op;
388	while (root_op->common.parent) {
389		root_op = root_op->common.parent;
390	}
391
392	op = root_op;
393
394	while (op) {
395		if (op == start_op) {
396			count_remaining = TRUE;
397		}
398
399		num_ops++;
400		if (count_remaining) {
401			num_remaining_ops++;
402		}
403
404		/* Decode the opcode */
405
406		op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
407		switch (op_info->class) {
408		case AML_CLASS_ARGUMENT:
409
410			if (count_remaining) {
411				num_remaining_operands++;
412			}
413
414			num_operands++;
415			break;
416
417		case AML_CLASS_UNKNOWN:
418
419			/* Bad opcode or ASCII character */
420
421			continue;
422
423		default:
424
425			if (count_remaining) {
426				num_remaining_operators++;
427			}
428
429			num_operators++;
430			break;
431		}
432
433		op = acpi_ps_get_depth_next(start_op, op);
434	}
435
436	acpi_os_printf
437	    ("Method contains:       %X AML Opcodes - %X Operators, %X Operands\n",
438	     num_ops, num_operators, num_operands);
439
440	acpi_os_printf
441	    ("Remaining to execute:  %X AML Opcodes - %X Operators, %X Operands\n",
442	     num_remaining_ops, num_remaining_operators,
443	     num_remaining_operands);
444}
445
446/*******************************************************************************
447 *
448 * FUNCTION:    acpi_db_display_locals
449 *
450 * PARAMETERS:  None
451 *
452 * RETURN:      None
453 *
454 * DESCRIPTION: Display all locals for the currently running control method
455 *
456 ******************************************************************************/
457
458void acpi_db_display_locals(void)
459{
460	struct acpi_walk_state *walk_state;
461
462	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
463	if (!walk_state) {
464		acpi_os_printf("There is no method currently executing\n");
465		return;
466	}
467
468	acpi_db_decode_locals(walk_state);
469}
470
471/*******************************************************************************
472 *
473 * FUNCTION:    acpi_db_display_arguments
474 *
475 * PARAMETERS:  None
476 *
477 * RETURN:      None
478 *
479 * DESCRIPTION: Display all arguments for the currently running control method
480 *
481 ******************************************************************************/
482
483void acpi_db_display_arguments(void)
484{
485	struct acpi_walk_state *walk_state;
486
487	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
488	if (!walk_state) {
489		acpi_os_printf("There is no method currently executing\n");
490		return;
491	}
492
493	acpi_db_decode_arguments(walk_state);
494}
495
496/*******************************************************************************
497 *
498 * FUNCTION:    acpi_db_display_results
499 *
500 * PARAMETERS:  None
501 *
502 * RETURN:      None
503 *
504 * DESCRIPTION: Display current contents of a method result stack
505 *
506 ******************************************************************************/
507
508void acpi_db_display_results(void)
509{
510	u32 i;
511	struct acpi_walk_state *walk_state;
512	union acpi_operand_object *obj_desc;
513	u32 result_count = 0;
514	struct acpi_namespace_node *node;
515	union acpi_generic_state *frame;
516	u32 index;		/* Index onto current frame */
517
518	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
519	if (!walk_state) {
520		acpi_os_printf("There is no method currently executing\n");
521		return;
522	}
523
524	obj_desc = walk_state->method_desc;
525	node = walk_state->method_node;
526
527	if (walk_state->results) {
528		result_count = walk_state->result_count;
529	}
530
531	acpi_os_printf("Method [%4.4s] has %X stacked result objects\n",
532		       acpi_ut_get_node_name(node), result_count);
533
534	/* From the top element of result stack */
535
536	frame = walk_state->results;
537	index = (result_count - 1) % ACPI_RESULTS_FRAME_OBJ_NUM;
538
539	for (i = 0; i < result_count; i++) {
540		obj_desc = frame->results.obj_desc[index];
541		acpi_os_printf("Result%u: ", i);
542		acpi_db_display_internal_object(obj_desc, walk_state);
543
544		if (index == 0) {
545			frame = frame->results.next;
546			index = ACPI_RESULTS_FRAME_OBJ_NUM;
547		}
548
549		index--;
550	}
551}
552
553/*******************************************************************************
554 *
555 * FUNCTION:    acpi_db_display_calling_tree
556 *
557 * PARAMETERS:  None
558 *
559 * RETURN:      None
560 *
561 * DESCRIPTION: Display current calling tree of nested control methods
562 *
563 ******************************************************************************/
564
565void acpi_db_display_calling_tree(void)
566{
567	struct acpi_walk_state *walk_state;
568	struct acpi_namespace_node *node;
569
570	walk_state = acpi_ds_get_current_walk_state(acpi_gbl_current_walk_list);
571	if (!walk_state) {
572		acpi_os_printf("There is no method currently executing\n");
573		return;
574	}
575
576	node = walk_state->method_node;
577	acpi_os_printf("Current Control Method Call Tree\n");
578
579	while (walk_state) {
580		node = walk_state->method_node;
581		acpi_os_printf("  [%4.4s]\n", acpi_ut_get_node_name(node));
582
583		walk_state = walk_state->next;
584	}
585}
586
587/*******************************************************************************
588 *
589 * FUNCTION:    acpi_db_display_object_type
590 *
591 * PARAMETERS:  name            - User entered NS node handle or name
592 *
593 * RETURN:      None
594 *
595 * DESCRIPTION: Display type of an arbitrary NS node
596 *
597 ******************************************************************************/
598
599void acpi_db_display_object_type(char *name)
600{
601	struct acpi_namespace_node *node;
602	struct acpi_device_info *info;
603	acpi_status status;
604	u32 i;
605
606	node = acpi_db_convert_to_node(name);
607	if (!node) {
608		return;
609	}
610
611	status = acpi_get_object_info(ACPI_CAST_PTR(acpi_handle, node), &info);
612	if (ACPI_FAILURE(status)) {
613		acpi_os_printf("Could not get object info, %s\n",
614			       acpi_format_exception(status));
615		return;
616	}
617
618	if (info->valid & ACPI_VALID_ADR) {
619		acpi_os_printf("ADR: %8.8X%8.8X, STA: %8.8X, Flags: %X\n",
620			       ACPI_FORMAT_UINT64(info->address),
621			       info->current_status, info->flags);
622	}
623	if (info->valid & ACPI_VALID_SXDS) {
624		acpi_os_printf("S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n",
625			       info->highest_dstates[0],
626			       info->highest_dstates[1],
627			       info->highest_dstates[2],
628			       info->highest_dstates[3]);
629	}
630	if (info->valid & ACPI_VALID_SXWS) {
631		acpi_os_printf
632		    ("S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n",
633		     info->lowest_dstates[0], info->lowest_dstates[1],
634		     info->lowest_dstates[2], info->lowest_dstates[3],
635		     info->lowest_dstates[4]);
636	}
637
638	if (info->valid & ACPI_VALID_HID) {
639		acpi_os_printf("HID: %s\n", info->hardware_id.string);
640	}
641
642	if (info->valid & ACPI_VALID_UID) {
643		acpi_os_printf("UID: %s\n", info->unique_id.string);
644	}
645
646	if (info->valid & ACPI_VALID_SUB) {
647		acpi_os_printf("SUB: %s\n", info->subsystem_id.string);
648	}
649
650	if (info->valid & ACPI_VALID_CID) {
651		for (i = 0; i < info->compatible_id_list.count; i++) {
652			acpi_os_printf("CID %u: %s\n", i,
653				       info->compatible_id_list.ids[i].string);
654		}
655	}
656
657	ACPI_FREE(info);
658}
659
660/*******************************************************************************
661 *
662 * FUNCTION:    acpi_db_display_result_object
663 *
664 * PARAMETERS:  obj_desc        - Object to be displayed
665 *              walk_state      - Current walk state
666 *
667 * RETURN:      None
668 *
669 * DESCRIPTION: Display the result of an AML opcode
670 *
671 * Note: Curently only displays the result object if we are single stepping.
672 * However, this output may be useful in other contexts and could be enabled
673 * to do so if needed.
674 *
675 ******************************************************************************/
676
677void
678acpi_db_display_result_object(union acpi_operand_object *obj_desc,
679			      struct acpi_walk_state *walk_state)
680{
681
682	/* Only display if single stepping */
683
684	if (!acpi_gbl_cm_single_step) {
685		return;
686	}
687
688	acpi_os_printf("ResultObj: ");
689	acpi_db_display_internal_object(obj_desc, walk_state);
690	acpi_os_printf("\n");
691}
692
693/*******************************************************************************
694 *
695 * FUNCTION:    acpi_db_display_argument_object
696 *
697 * PARAMETERS:  obj_desc        - Object to be displayed
698 *              walk_state      - Current walk state
699 *
700 * RETURN:      None
701 *
702 * DESCRIPTION: Display the result of an AML opcode
703 *
704 ******************************************************************************/
705
706void
707acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
708				struct acpi_walk_state *walk_state)
709{
710
711	if (!acpi_gbl_cm_single_step) {
712		return;
713	}
714
715	acpi_os_printf("ArgObj:  ");
716	acpi_db_display_internal_object(obj_desc, walk_state);
717}
718
719#if (!ACPI_REDUCED_HARDWARE)
720/*******************************************************************************
721 *
722 * FUNCTION:    acpi_db_display_gpes
723 *
724 * PARAMETERS:  None
725 *
726 * RETURN:      None
727 *
728 * DESCRIPTION: Display the current GPE structures
729 *
730 ******************************************************************************/
731
732void acpi_db_display_gpes(void)
733{
734	struct acpi_gpe_block_info *gpe_block;
735	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
736	struct acpi_gpe_event_info *gpe_event_info;
737	struct acpi_gpe_register_info *gpe_register_info;
738	char *gpe_type;
739	struct acpi_gpe_notify_info *notify;
740	u32 gpe_index;
741	u32 block = 0;
742	u32 i;
743	u32 j;
744	u32 count;
745	char buffer[80];
746	struct acpi_buffer ret_buf;
747	acpi_status status;
748
749	ret_buf.length = sizeof(buffer);
750	ret_buf.pointer = buffer;
751
752	block = 0;
753
754	/* Walk the GPE lists */
755
756	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
757	while (gpe_xrupt_info) {
758		gpe_block = gpe_xrupt_info->gpe_block_list_head;
759		while (gpe_block) {
760			status = acpi_get_name(gpe_block->node,
761					       ACPI_FULL_PATHNAME_NO_TRAILING,
762					       &ret_buf);
763			if (ACPI_FAILURE(status)) {
764				acpi_os_printf
765				    ("Could not convert name to pathname\n");
766			}
767
768			if (gpe_block->node == acpi_gbl_fadt_gpe_device) {
769				gpe_type = "FADT-defined GPE block";
770			} else {
771				gpe_type = "GPE Block Device";
772			}
773
774			acpi_os_printf
775			    ("\nBlock %u - Info %p  DeviceNode %p [%s] - %s\n",
776			     block, gpe_block, gpe_block->node, buffer,
777			     gpe_type);
778
779			acpi_os_printf("    Registers:    %u (%u GPEs)\n",
780				       gpe_block->register_count,
781				       gpe_block->gpe_count);
782
783			acpi_os_printf
784			    ("    GPE range:    0x%X to 0x%X on interrupt %u\n",
785			     gpe_block->block_base_number,
786			     gpe_block->block_base_number +
787			     (gpe_block->gpe_count - 1),
788			     gpe_xrupt_info->interrupt_number);
789
790			acpi_os_printf
791			    ("    RegisterInfo: %p  Status %8.8X%8.8X Enable %8.8X%8.8X\n",
792			     gpe_block->register_info,
793			     ACPI_FORMAT_UINT64(gpe_block->register_info->
794						status_address.address),
795			     ACPI_FORMAT_UINT64(gpe_block->register_info->
796						enable_address.address));
797
798			acpi_os_printf("  EventInfo:    %p\n",
799				       gpe_block->event_info);
800
801			/* Examine each GPE Register within the block */
802
803			for (i = 0; i < gpe_block->register_count; i++) {
804				gpe_register_info =
805				    &gpe_block->register_info[i];
806
807				acpi_os_printf("    Reg %u: (GPE %.2X-%.2X)  "
808					       "RunEnable %2.2X WakeEnable %2.2X"
809					       " Status %8.8X%8.8X Enable %8.8X%8.8X\n",
810					       i,
811					       gpe_register_info->
812					       base_gpe_number,
813					       gpe_register_info->
814					       base_gpe_number +
815					       (ACPI_GPE_REGISTER_WIDTH - 1),
816					       gpe_register_info->
817					       enable_for_run,
818					       gpe_register_info->
819					       enable_for_wake,
820					       ACPI_FORMAT_UINT64
821					       (gpe_register_info->
822						status_address.address),
823					       ACPI_FORMAT_UINT64
824					       (gpe_register_info->
825						enable_address.address));
826
827				/* Now look at the individual GPEs in this byte register */
828
829				for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
830					gpe_index =
831					    (i * ACPI_GPE_REGISTER_WIDTH) + j;
832					gpe_event_info =
833					    &gpe_block->event_info[gpe_index];
834
835					if (ACPI_GPE_DISPATCH_TYPE
836					    (gpe_event_info->flags) ==
837					    ACPI_GPE_DISPATCH_NONE) {
838
839						/* This GPE is not used (no method or handler), ignore it */
840
841						continue;
842					}
843
844					acpi_os_printf
845					    ("        GPE %.2X: %p  RunRefs %2.2X Flags %2.2X (",
846					     gpe_block->block_base_number +
847					     gpe_index, gpe_event_info,
848					     gpe_event_info->runtime_count,
849					     gpe_event_info->flags);
850
851					/* Decode the flags byte */
852
853					if (gpe_event_info->
854					    flags & ACPI_GPE_LEVEL_TRIGGERED) {
855						acpi_os_printf("Level, ");
856					} else {
857						acpi_os_printf("Edge, ");
858					}
859
860					if (gpe_event_info->
861					    flags & ACPI_GPE_CAN_WAKE) {
862						acpi_os_printf("CanWake, ");
863					} else {
864						acpi_os_printf("RunOnly, ");
865					}
866
867					switch (ACPI_GPE_DISPATCH_TYPE
868						(gpe_event_info->flags)) {
869					case ACPI_GPE_DISPATCH_NONE:
870
871						acpi_os_printf("NotUsed");
872						break;
873
874					case ACPI_GPE_DISPATCH_METHOD:
875
876						acpi_os_printf("Method");
877						break;
878
879					case ACPI_GPE_DISPATCH_HANDLER:
880
881						acpi_os_printf("Handler");
882						break;
883
884					case ACPI_GPE_DISPATCH_NOTIFY:
885
886						count = 0;
887						notify =
888						    gpe_event_info->dispatch.
889						    notify_list;
890						while (notify) {
891							count++;
892							notify = notify->next;
893						}
894
895						acpi_os_printf
896						    ("Implicit Notify on %u devices",
897						     count);
898						break;
899
900					case ACPI_GPE_DISPATCH_RAW_HANDLER:
901
902						acpi_os_printf("RawHandler");
903						break;
904
905					default:
906
907						acpi_os_printf("UNKNOWN: %X",
908							       ACPI_GPE_DISPATCH_TYPE
909							       (gpe_event_info->
910								flags));
911						break;
912					}
913
914					acpi_os_printf(")\n");
915				}
916			}
917
918			block++;
919			gpe_block = gpe_block->next;
920		}
921
922		gpe_xrupt_info = gpe_xrupt_info->next;
923	}
924}
925#endif				/* !ACPI_REDUCED_HARDWARE */
926
927/*******************************************************************************
928 *
929 * FUNCTION:    acpi_db_display_handlers
930 *
931 * PARAMETERS:  None
932 *
933 * RETURN:      None
934 *
935 * DESCRIPTION: Display the currently installed global handlers
936 *
937 ******************************************************************************/
938
939void acpi_db_display_handlers(void)
940{
941	union acpi_operand_object *obj_desc;
942	union acpi_operand_object *handler_obj;
943	acpi_adr_space_type space_id;
944	u32 i;
945
946	/* Operation region handlers */
947
948	acpi_os_printf("\nOperation Region Handlers at the namespace root:\n");
949
950	obj_desc = acpi_ns_get_attached_object(acpi_gbl_root_node);
951	if (obj_desc) {
952		for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_space_id_list); i++) {
953			space_id = acpi_gbl_space_id_list[i];
954			handler_obj = obj_desc->device.handler;
955
956			acpi_os_printf(ACPI_PREDEFINED_PREFIX,
957				       acpi_ut_get_region_name((u8)space_id),
958				       space_id);
959
960			while (handler_obj) {
961				if (acpi_gbl_space_id_list[i] ==
962				    handler_obj->address_space.space_id) {
963					acpi_os_printf
964					    (ACPI_HANDLER_PRESENT_STRING,
965					     (handler_obj->address_space.
966					      handler_flags &
967					      ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
968					     ? "Default" : "User",
969					     handler_obj->address_space.
970					     handler);
971
972					goto found_handler;
973				}
974
975				handler_obj = handler_obj->address_space.next;
976			}
977
978			/* There is no handler for this space_id */
979
980			acpi_os_printf("None\n");
981
982found_handler:		;
983		}
984
985		/* Find all handlers for user-defined space_IDs */
986
987		handler_obj = obj_desc->device.handler;
988		while (handler_obj) {
989			if (handler_obj->address_space.space_id >=
990			    ACPI_USER_REGION_BEGIN) {
991				acpi_os_printf(ACPI_PREDEFINED_PREFIX,
992					       "User-defined ID",
993					       handler_obj->address_space.
994					       space_id);
995				acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
996					       (handler_obj->address_space.
997						handler_flags &
998						ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
999					       ? "Default" : "User",
1000					       handler_obj->address_space.
1001					       handler);
1002			}
1003
1004			handler_obj = handler_obj->address_space.next;
1005		}
1006	}
1007#if (!ACPI_REDUCED_HARDWARE)
1008
1009	/* Fixed event handlers */
1010
1011	acpi_os_printf("\nFixed Event Handlers:\n");
1012
1013	for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
1014		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1015			       acpi_ut_get_event_name(i), i);
1016		if (acpi_gbl_fixed_event_handlers[i].handler) {
1017			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1018				       acpi_gbl_fixed_event_handlers[i].
1019				       handler);
1020		} else {
1021			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1022		}
1023	}
1024
1025#endif				/* !ACPI_REDUCED_HARDWARE */
1026
1027	/* Miscellaneous global handlers */
1028
1029	acpi_os_printf("\nMiscellaneous Global Handlers:\n");
1030
1031	for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_handler_list); i++) {
1032		acpi_os_printf(ACPI_HANDLER_NAME_STRING,
1033			       acpi_gbl_handler_list[i].name);
1034
1035		if (acpi_gbl_handler_list[i].handler) {
1036			acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
1037				       acpi_gbl_handler_list[i].handler);
1038		} else {
1039			acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
1040		}
1041	}
1042
1043	/* Other handlers that are installed throughout the namespace */
1044
1045	acpi_os_printf("\nOperation Region Handlers for specific devices:\n");
1046
1047	(void)acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
1048				  ACPI_UINT32_MAX,
1049				  acpi_db_display_non_root_handlers, NULL, NULL,
1050				  NULL);
1051}
1052
1053/*******************************************************************************
1054 *
1055 * FUNCTION:    acpi_db_display_non_root_handlers
1056 *
1057 * PARAMETERS:  acpi_walk_callback
1058 *
1059 * RETURN:      Status
1060 *
1061 * DESCRIPTION: Display information about all handlers installed for a
1062 *              device object.
1063 *
1064 ******************************************************************************/
1065
1066static acpi_status
1067acpi_db_display_non_root_handlers(acpi_handle obj_handle,
1068				  u32 nesting_level,
1069				  void *context, void **return_value)
1070{
1071	struct acpi_namespace_node *node =
1072	    ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
1073	union acpi_operand_object *obj_desc;
1074	union acpi_operand_object *handler_obj;
1075	char *pathname;
1076
1077	obj_desc = acpi_ns_get_attached_object(node);
1078	if (!obj_desc) {
1079		return (AE_OK);
1080	}
1081
1082	pathname = acpi_ns_get_external_pathname(node);
1083	if (!pathname) {
1084		return (AE_OK);
1085	}
1086
1087	/* Display all handlers associated with this device */
1088
1089	handler_obj = obj_desc->device.handler;
1090	while (handler_obj) {
1091		acpi_os_printf(ACPI_PREDEFINED_PREFIX,
1092			       acpi_ut_get_region_name((u8)handler_obj->
1093						       address_space.space_id),
1094			       handler_obj->address_space.space_id);
1095
1096		acpi_os_printf(ACPI_HANDLER_PRESENT_STRING2,
1097			       (handler_obj->address_space.handler_flags &
1098				ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ? "Default"
1099			       : "User", handler_obj->address_space.handler);
1100
1101		acpi_os_printf(" Device Name: %s (%p)\n", pathname, node);
1102
1103		handler_obj = handler_obj->address_space.next;
1104	}
1105
1106	ACPI_FREE(pathname);
1107	return (AE_OK);
1108}
1109